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Creating slice from C-array

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Might not be lined up correctly? Weird output data
in the second CPU.
This commit is contained in:
stuart nelson 2016-09-17 14:05:36 +02:00
parent 03da1ea516
commit 1b7a18c271
1 changed files with 5 additions and 2 deletions
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7
collector/cpu_dragonfly.go
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@ -18,6 +18,7 @@ package collector
import (
"errors"
"fmt"
"unsafe"
"github.com/prometheus/client_golang/prometheus"
)
@ -175,9 +176,11 @@ func (c *statCollector) Update(ch chan<- prometheus.Metric) (err error) {
if C.getCPUTimes(&ncpu, &cpuTimesC, &cpuTimesLength) == -1 {
return errors.New("could not retrieve CPU times")
}
// TODO: Remember to free variables
// defer C.freeCPUTimes(cpuTimesC)
fmt.Println(cpuTimesC)
fmt.Println(uint64(cpuTimesLength))
cpuTimes := (*[1 << 30]C.struct_kinfo_cputime)(unsafe.Pointer(&cpuTimesC))[:ncpu:ncpu]
fmt.Println(cpuTimes)
return errors.New("early kill")
if cpuTimesLength > maxCPUTimesLen {
return errors.New("more CPU's than MAXCPU?")